PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

325025Insulation Felt,thermal

Heatshield Products, Inc · NSN 5640-01-671-7364 · FSC 5640 · No Item Name Available
Verified by PartsTable
NSN 5640-01-671-7364 — this item is cataloged by the U.S. Government under National Stock Number 5640-01-671-7364. Primary manufacturer part number: 325025.
Features
  • Insulation Felt,thermal — FSC 5640
  • 1 verified cross-reference
  • Primary manufacturer: Heatshield Products, Inc
Applications
  • Building construction and repair
  • Infrastructure development
  • Road and bridge materials
General Description

The Insulation Felt,thermal, cataloged under National Stock Number 5640-01-671-7364, is classified within Federal Supply Class 5640 (No Item Name Available) of the Construction and Building Materials group. The primary manufacturer of record is Heatshield Products, Inc. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5640-01-671-7364
Primary Part Number325025
Item NameInsulation Felt,thermal
FSC / FSG5640 / 56 — No Item Name Available
ManufacturerHeatshield Products, Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
1280-00-831-5868 INTERCHANGEABLE
Bracket,bomb Releas
5930-01-312-5603 INTERCHANGEABLE
Switch,knife
4820-01-412-271132502-5 INTERCHANGEABLE
Body,valve
Eaton Aerospace Llc Dba Eaton Aerospace Jackson
4220-01-608-5009325-025 INTERCHANGEABLE
Parts Kit,diving Helmet
Kirby Morgan Dive Systems Inc
Cross-Reference Index
Part NumberManufacturer
325025 PRIMARY Heatshield Products, Inc (USA)
Related Parts
1280-00-831-5868INTERCHANGEABLE
BRACKET,BOMB RELEAS
5930-01-312-5603INTERCHANGEABLE
SWITCH,KNIFE
4820-01-412-2711INTERCHANGEABLE
BODY,VALVE
32502-5
4220-01-608-5009INTERCHANGEABLE
PARTS KIT,DIVING HELMET
325-025

Frequently Asked Questions

What is NSN 5640-01-671-7364?

NSN 5640-01-671-7364 is a Insulation Felt,thermal, manufactured by Heatshield Products, Inc, classified under FSC 5640 (No Item Name Available). Status: active.

What are the part numbers for NSN 5640-01-671-7364?

NSN 5640-01-671-7364 has 1 cross-referenced part number: 325025 (Heatshield Products, Inc).

What NSN replaces 5640-01-671-7364?

There are 4 known substitutes for 5640-01-671-7364: 1280-00-831-5868, 5930-01-312-5603, 4820-01-412-2711 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 325025?

Key specifications for 325025: Special Features: 2 IN X 25 FT ROLL; MADE FROM SILICA FIBER IN; Part Name Assigned by Controlling Agency: INFRERNO HEADER WRAP. 2 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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